Blandine, a lady from the posh part of town, is almost knocked over as she's jogging by a boy on his bike. And thus she gets to meet 10-year-old Michel-Ange, the son of a gay couple. They become firm friends. Michel-Ange finds in Blandine the grandmother he never had.

Blandine, a lady from the posh part of town, is almost knocked over as she's jogging by a boy on his bike. And thus she gets to meet 10-year-old Michel-Ange, the son of a gay couple. They become firm friends. Michel-Ange finds in Blandine the grandmother he never had. Blandine can see that Michel-Ange has questions about his family and suffers the judgment of other kids. She also learns that he's a victim of racketeering. With the help of Michel-Ange's neighbour, Antoine, Blandine goes looking for the boy's real grandparents. She and Antoine try to set up a meeting and, above all, reconcile them with their son.